/* Design System & Premium Dark Mode Palette */
:root {
    --bg-app: #0d1117;
    --bg-sidebar: #161b22;
    --bg-card: #21262d;
    --border-color: #30363d;
    --text-main: #c9d1d9;
    --text-muted: #8b949e;
    --text-white: #ffffff;
    --accent: #58a6ff;
    --accent-hover: #1f6feb;
    --success: #238636;
    --success-border: #2ea043;
    --error: #da3633;
    --error-border: #f85149;
    --font-stack: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-stack);
    background-color: var(--bg-app);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}

/* App Container Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    flex-shrink: 0;
}

.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    font-size: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.brand-logo {
    font-size: 28px;
}

.brand h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-white);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    background-color: rgba(88, 166, 255, 0.1);
    color: var(--accent);
}

/* Sub-menu Navigation */
.nav-group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px 4px 16px;
    color: var(--text-white);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 12px;
    opacity: 0.8;
}

.nav-sub-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-left: 12px;
}

.sub-item {
    padding: 8px 16px !important;
    font-size: 13px !important;
    gap: 8px !important;
}


.system-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
    flex-wrap: wrap;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-indicator.online {
    background-color: #3fb950;
    box-shadow: 0 0 8px #3fb950;
}

.status-indicator.offline {
    background-color: var(--error-border);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    padding: 40px;
    overflow-y: auto;
}

.content-header {
    margin-bottom: 32px;
}

.content-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 16px;
}

/* Tab Management */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Stats Dashboard cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
    transition: transform 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-card h3 {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-card.success h3 {
    color: #56d364;
}

.stat-card.info h3 {
    color: #58a6ff;
}

.stat-card.warning h3 {
    color: #e3b341;
}

.stat-card.error h3 {
    color: #ff7b72;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-white);
}

/* Cards & Tables */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th, .table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.table th {
    color: var(--text-muted);
    font-weight: 500;
    background-color: rgba(0, 0, 0, 0.15);
}

.table tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background-color: rgba(63, 185, 80, 0.15);
    color: #56d364;
}

.badge-error {
    background-color: rgba(248, 81, 73, 0.15);
    color: #ff7b72;
}

.badge-info {
    background-color: rgba(88, 166, 255, 0.15);
    color: var(--accent);
}

.badge-warning {
    background-color: rgba(210, 153, 34, 0.15);
    color: #e3b341;
}

/* Forms & Buttons */
.form-control {
    width: 100%;
    padding: 10px 14px;
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-white);
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
}

.text-search {
    max-width: 260px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--success);
    color: var(--text-white);
    border-color: var(--success-border);
}

.btn-primary:hover {
    background-color: var(--success-border);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
}

.btn-danger {
    background-color: var(--error);
    color: var(--text-white);
    border-color: var(--error-border);
}

.btn-danger:hover {
    background-color: var(--error-border);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

/* Grids */
.anagrafiche-grid, .keywords-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 1024px) {
    .anagrafiche-grid, .keywords-grid, .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .anagrafiche-grid, .keywords-grid {
        grid-template-columns: 1fr;
    }
}

/* Keyword Tag Cloud */
.kw-input-group {
    display: flex;
    gap: 8px;
}

.kw-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 80px;
    align-content: flex-start;
}

.kw-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
}

.kw-tag .remove-btn {
    cursor: pointer;
    color: var(--text-muted);
    font-weight: 700;
}

.kw-tag .remove-btn:hover {
    color: #ff7b72;
}

/* Settings Forms */
.max-w-2xl {
    max-width: 720px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-white);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 16px;
}

.margin-top {
    margin-top: 32px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.col-span-2 {
    grid-column: span 2;
}

.form-actions {
    margin-top: 24px;
    display: flex;
    justify-content: flex-end;
}

/* Modal Overlay */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    padding: 24px;
    animation: zoomIn 0.2s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-card h3 {
    margin-bottom: 16px;
    color: var(--text-white);
}

.modal-actions {
    margin-top: 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.select-employee {
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
    width: 100%;
}